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86132917 = 1329322613
BaseRepresentation
bin1010010001001…
…00100010110101
320000002000011001
411020210202311
5134022223132
612314043301
72064055243
oct510444265
9200060131
1086132917
114468aa32
1224a19531
1314ac9a30
14b621793
157865ce7
hex52248b5

86132917 has 8 divisors (see below), whose sum is σ = 93079224. Its totient is φ = 79232448.

The previous prime is 86132903. The next prime is 86132951. The reversal of 86132917 is 71923168.

It can be written as a sum of positive squares in 4 ways, for example, as 15673681 + 70459236 = 3959^2 + 8394^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86132917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86136917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7498 + ... + 15115.

It is an arithmetic number, because the mean of its divisors is an integer number (11634903).

Almost surely, 286132917 is an apocalyptic number.

It is an amenable number.

86132917 is a deficient number, since it is larger than the sum of its proper divisors (6946307).

86132917 is a wasteful number, since it uses less digits than its factorization.

86132917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22919.

The product of its digits is 18144, while the sum is 37.

The square root of 86132917 is about 9280.7821329886. The cubic root of 86132917 is about 441.6277808571.

The spelling of 86132917 in words is "eighty-six million, one hundred thirty-two thousand, nine hundred seventeen".

Divisors: 1 13 293 3809 22613 293969 6625609 86132917